| Kwak Hae-seong | |
| Birth Date: | 6 December 1991 |
| Birth Place: | South Korea |
| Currentclub: | Bucheon FC 1995 |
| Clubnumber: | 2 |
| Position: | Full back |
| Youthyears1: | 2010–2013 |
| Youthclubs1: | Kwangwoon University |
| Years1: | 2014–2017 |
| Caps1: | 51 |
| Goals1: | 1 |
| Years2: | 2016 |
| Clubs2: | → Jeju United (loan) |
| Caps2: | 8 |
| Goals2: | 2 |
| Years3: | 2017–2019 |
| Caps3: | 4 |
| Goals3: | 0 |
| Years4: | 2020– |
| Nationalyears1: | 2011 |
| Nationalteam1: | South Korea U-20 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2013–2014 |
| Nationalteam2: | South Korea U-23 |
| Nationalcaps2: | 5 |
| Nationalgoals2: | 0 |
| Pcupdate: | 2 January 2018 |
| Hangul: | 곽해성 |
| Rr: | Gwak Haeseong |
| Mr: | Kwak Haesŏng |
Kwak Hae-seong (; born 6 December 1991) is a South Korean footballer who plays as full back for Incheon United.
He joined Seongnam FC in 2014.[1]